21.011 Radiation

  • Murphy, Merrill O;Lapidary Journal, Jan 1967, p1224;
  • L/W=1.000
  • H/W=0.792
  • Vol/W^3=0.312
  • 129+8 Facets
  • Gear: 64
4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 <64> W W U U L L T T C C P P PC 21.011 Radiation Murphy, Merrill O; Lapidary J, Jan 67, p1224 Angles for R.I. = 1.540 129 facets + 8 girdles 8-fold, mirror-image symmetry; 64 index L/W = 1.000 T/W = 0.509 U/W = 0.509 P/W = 0.564 C/W = 0.207 Vol/W³ = 0.312 pc21011.asc